Table 2. Number and relative proportions of mutations and substitutions (Method 2) in SARS-CoV-2.

P-values are calculated with a two-tailed Fishers exact test and are not corrected for multiple comparisons.

Type	Mutations	Substitutions	% Mutations	% Substitutions	Excess of mutations	P-value
A–C	30	18	2.4	1.6	1.52	0.189
A–G	128	136	10.2	11.9	0.86	0.192
A–U	40	47	3.2	4.1	0.78	0.232
C–A	38	21	3.0	1.8	1.65	0.065
C–G	10	10	0.8	0.9	0.91	1.000
C–U	460	351	36.8	30.8	1.20	0.002
G–A	114	126	9.1	11.0	0.83	0.118
G–C	35	6	2.8	0.5	5.32	<0.0001
G–U	193	20	15.4	1.8	8.80	<0.0001
U–A	42	59	3.4	5.2	0.65	0.032
U–C	129	331	10.3	29.0	0.36	<0.0001
U–G	32	16	2.6	1.4	1.82	0.057